#include<bits/stdc++.h>
using namespace std;
int f[100005];
int n,maxn;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        int x;
        scanf("%d",&x);
        f[x]++;
        maxn=max(maxn,f[x]);
    }
    printf("%d",maxn);
    return 0;
}


